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The contact-free optical measuring principle behind Mahr’s Marvision MM 320 measuring microscope is relevant to the inspection of objects that may be easily damaged or deformed.

As well as opening up possibilities when inspecting ‘elastic’ materials, Mahr’s measuring microscopes are designed to speed up the measuring process.

For example, a red laser beam enables the correct measuring position on the table to be found and set with ease.

Objects with several features can be located precisely on the measuring table, without the need for winding.

Depending on the requirement, the MM 320 can be supplied as a manually-operated 2D microscope or as a three-axis measuring system with automatic edge recognition.

The measurement uncertainty is (3+L/100) micron (when L is measured in mm), although this does depend on the precision of the magnification used.

As standard, the MM 320 is fitted with a zoom lens with a 15x to 95x magnification range, with options to half or double this range.

A self-explanatory user interface on the high-resolution display of the associated Quadra-Chek 300 measurement computer, which can be operated in touch-screen mode, allows the user to access a wide range of measurement functions.

Every feature of a complex workpiece can be inspected, and highly accurate and reproducible measurements linked by the computer to obtain chain dimensioning, intersections points and other geometric parameters.

Numerical values are then listed or displayed graphically on the colour screen.

Measurement sequences that need to be repeated on a regular basis, once completed, can subsequently be carried out by users lacking detailed programming knowledge.

The system is also capable of documenting and processing measurement data.

Video images can be saved in jpg format at any time, and measurement protocols, measurement programs and images can be exported via a USB interface or printed out if required.

Measurement data relating to distance, form, angle or radii can be evaluated statistically for quality assurance purposes and, by means of the traceable calibration standard, contribute to maintaining the specified production quality.

Various accessories such as prisms, bench vices or swivelling glass plates for angle measuring applications enable the MM 320 to be adapted to different measurement tasks.

These include checking goods-in for conformance and first-off inspections in the workshop of components or workpieces weighing up to 15kg that fit within the microscope’s 150mm x 100mm x 60mm measuring envelope.

Mahr UK PLC

Mahr is one of the world’s largest manufacturers in metrology, specialising in high quality precision products and services for engineers.

INNOVATION IN METROLOGY. MAHR: EXACTLY.
Company – Mahr– Manufacturing in the UK continues to be an important growth industry, generating 10% of GVA and comprising 44% of exports. With strong growth comes faster, more precise manufacturing. Smaller components require less margin for error and more stringent quality control.

The importance of metrology in modern manufacturing has never been more prominent. Providing the crucial information for quick, reliable measurement to support and inform decisions. Metrology has the power to drive manufacturing excellence.

EXPERIENCE.
Since developing our first Vernier calipers back in 1868, we have accumulated over 150 years’ of metrological expertise. Producing the world’s first digital indicator and microprocessor controlled roughness-measuring instrument. We now hold over 10,000 different products and we continue to drive the leading edge of innovation in modern metrology.

Our highly trained team operates from 52 countries across the globe. Driving metrological research, high quality production whilst supporting our valued customers.

PRECISION.
Our trusted measuring instruments feature in all manner of prominent processes from automotive and aerospace manufacturing to biomechanical research and mechanical engineering. Wherever precise measurement is required, there is a Mahr tool for the job. From caliper’s to high-end customised measuring systems you can rely on Mahr for low measuring uncertainties and well manufactured instruments built to last.

QUALITY.
We aim to ensure the quality of every product manufactured. Every service undertaken and every procedure implemented in order to satisfy our customer needs. Many of the Mahr group companies have certified quality management systems that comply with DIN EN ISO 9001:2008.

MAHR PORTFOLIO
We let precision speak! We make it our job to ensure that the results are accurate. Our range of products extends from calipers to customized high-end measuring systems with direct connection to your production process.

HANDTOOLS – Vernier and Digital Calipers, Digital and Dial Comparators, Micrometers, Measuring Tools and Inspection Equipment, Standard Gauges and Gauge blocks, Electrical Length Measuring Instrument and Air Gauges, Universal Measuring Instruments, Test Indicators and 3d Touch Probes, Interfaces and Data Processing, Roughness and Contour Instruments, Comparator and Indicator Stands, Dial and Digital Indicators, Indicating Measuring Instruments, Height Measuring Instruments

SYSTEMS Profile – Roughness and Contour, Form Measurement, Precision – Reference Systems, Geometry – Gear Metrology, Custom – Bespoke Inspection, Shaft Measuring Systems, Optical Measuring Instruments

SERVICES – Mahr Training, Application Specialists, Technical Service and Maintenance, Repair and Product Upgrades, Calibration Services, Warranty Of Systems/Products, Subcontract Measurement Services, Consultancy – Measuring Strategies

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